#!/bin/bash

# Slackware build script for l-smash

# Copyright 2015, Andrew Strong, Blue Mountains Australia.
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Now maintained by B. Watson <urchlay@slackware.uk>

# 20240822 bkw: update for v2.18.0 (vimeo fork). This is what FreeBSD ships.
# 20230708 bkw: BUILD=4, install shared lib +x.
# 20220411 bkw: BUILD=3, put README in right place (not /install!)
# 20210910 bkw: include our own README since there are no docs
# 20180215 bkw: update for 2.14.5
# 20170302 bkw: use long-format github URL

# 20160817 bkw:
# - take over maintenance
# - update for 2.9.1
# - actually use SLKCFLAGS
# - i486 => i586

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=l-smash
VERSION=${VERSION:-2.18.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

# 20240822 bkw: parser has been split out into its own project.
OBUVER=478adcc872d5a8a19443e87910508e261a0a60ba

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION

# 20240822 bkw: instead of building obuparse as a separate library,
# we're going to build its single source file in-tree.
tar xvf $CWD/obuparse-$OBUVER.tar.gz
mv obuparse-$OBUVER/*.[ch] .
rm -rf obuparse-$OBUVER

chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# 20240822 bkw: build and link obuparse.o in-tree, instead of requiring
# it to be linked as a library. -I. is already in CFLAGS, so we don't have
# to worry about the include file.
sed -i -e '/^LIBS/s, *-lobuparse,,' \
       -e '/^SRCS/s,"","obuparse.c",' \
       configure

# -Wl,-s = strip binaries at link time.
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --disable-static \
  --enable-shared \
  --extra-cflags="$SLKCFLAGS" \
  --extra-ldflags="-Wl,-s"

make
make install DESTDIR=$PKG
chmod 755 $PKG/usr/lib*/*.so.*

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a LICENSE $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# 20210910 bkw: upstream didn't bother with any docs other than --help
# messages. Include our own README, which at least tells the user the
# names of the binaries (hint: none of them are called l-smash!), and
# tells him to use the --help option.
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE